Fix Slow-Motion Audio Track

@adriaansound

Hi I am a professional audio engineer. I've worked on location and on post production in my 25 year career and have faced this issue several times. It is a complex issue and takes a bit of time but we can sort it out. Let me assist you Adriaan

@aishaahamd7141

Hi there, I'm Yasmeen. I can do the task perfectly and professionally. Please message me for a detailed discussion. I have completed over 200+ similar projects. If you are looking for quality work, look no further. I am available 24/7 to assist you without limitations, and timely delivery is guaranteed. Thank you! Best Regards: Yasmeen Ahmad

@Ayaanriaz173

“Accurate Audio Repair & Sync Fix for Distorted Track” Hi, I understand your issue the audio sounds stretched, low-pitched, and out of sync, likely due to a deeper sample rate or encoding mismatch. Since basic fixes didn’t work, this clearly needs precise audio correction and proper remuxing. I’m confident I can restore the audio to natural sound and perfect sync with your video. What I’ll Do: Identify the root cause (sample rate mismatch, encoding issue, or time-stretch error) Repair and restore the audio to natural speed and pitch Ensure perfect sync with the original video from start to end Clean up any distortion or artifacts for clear playback Export high-quality WAV/AIFF of the corrected audio Remux the fixed audio back into the original MP4 (no quality loss in video) Estimated Time: 1–2 hours depending on complexity of the issue Technology I Use: Adobe Audition, iZotope RX, and FFmpeg for precise audio repair, resampling, and syncing Why Me: Experienced in advanced audio troubleshooting beyond basic fixes including sample rate issues, time-stretch correction, and clean remuxing. I focus on delivering technically accurate, distortion-free results that play perfectly across all devices.

@viken44

Hey there, I am an audio engineer since the past 5 years and i specialize in fixing timing issues like yours. Please feel free to share the video and the audio with me and get an absolutely free demo fix.

@jamilahmed333

Hi, This sounds like a sample-rate or encoding mismatch rather than a simple speed issue—I’ve fixed similar problems with phone recordings before. I’ll analyze and correct the audio timing and pitch so it matches the true duration (~3:50) and syncs perfectly with the video. Deliverables: • Clean, repaired audio (WAV/AIFF) • Original MP4 with correctly synced audio (no video quality loss) I use precise sample-rate correction and professional time/pitch tools to keep the voice natural and clear. Ready to start immediately. Best regards, Jamil Ahmed

@memarquez

Hi. I've encountered this problem before. I've been able to solve it analyzing and applying different tools. I'm an audio engineer and I work with podcast and voice recording almost daily. I can be available right away and if you need a revision I can make it too. What I will do for you: -Check the video file FPS, video-audio sync -Deliver a clean, correctly timed track that sits perfectly with the existing video. -Return repaired audio as a high-quality WAV or AIFF -Deliver the original MP4 with the corrected audio integrated in the file with the same resolution as original. Let's keep talking and work together. Contact me.

@Vsion2

Greetings! I am ready to start the project immediately and provide high-quality work. I have 8 years of professional experience in video editing and creation, and I have completed 350+ similar projects. You can check an example of one of those projects in my portfolio here: https://www.freelancer.com/u/Vsion2 I'm interested in discussing your project, If you have any questions or special requirements, please don’t hesitate to message me. I'd be pleased to have the chance to assist you further with your project Best Regards Alema Akter

@WahyuGembur

Hi, I can definitely fix this for you. Based on your description, this sounds like a classic sample-rate mismatch or a metadata encoding error during the recording process, which is why simple speed changes haven't worked. As an audio engineer, I have the right tools (iZotope RX, Pro Tools, and FFmpeg) to dig into the file’s header, correct the sample rate, and ensure the pitch and timing return to their natural state. I will provide: • The repaired audio in high-quality WAV/AIFF. • The fixed MP4 with perfect sync and no loss in video quality. I've handled many audio restoration projects and can get this back to its original 3:50 duration with crystal clear sound. Ready to start as soon as you send the file! Best regards, Wahyu

@Slungshot

Responding to ur project titled Fix Slow-Motion Audio Track. I'm pumped to deliver my pro video editing skills to bring ur vision to life. Here are the key strengths that make us the go-to choice for ur project: Seasoned Expertise: •5 yrs in video editing across YouTube, Meta (Insta, FB), TikTok. Impressive Portfolio: •Worked with influencers and brands boasting over 10 mil subs/followers. •Big-name clients include Oracle, CHANEL, DJI, NBA, BMW Sports, RedBull, ICICI Bank, Microsoft, and loads more.. Current & Innovative: •Committed to staying on top of digital media trends. •Consistently produce content that sets new industry standards. Customised Showcase: •Ready to share tailored samples and previous work during a personal chat. Holistic Services: •Offer comprehensive services from scripting to final digital asset delivery. •Specialties include video editing, video elements, voice overs, planning, SEO, management, graphic design, animation. For a glimpse of our past work or to request samples for reference, please don't hesitate to reach out. We're always eager to discuss further and showcase what we can bring to your project. Can't wait to chat about how we can shape ur vision into a compelling digital narrative. Best, Kshitij Singh Founder Civati

@ritas070

Greetings When viewing your job post it really stood out to me I have extensive experience in audio editing I would love to do this for you. Kind regards

@oladunni2026

Audio playing in slow motion with lowered pitch is usually a deeper sample-rate or timebase mismatch, not something basic speed adjustments can fully fix and that’s why your earlier attempts didn’t hold. I’ll analyze the file at codec level to identify the exact issue, whether it’s incorrect sample rate interpretation, encoding drift, or metadata mismatch, and rebuild the audio so it plays naturally and stays locked to the video from start to finish. Using tools like Adobe Audition, iZotope RX, and FFmpeg, I’ll correct the timing and pitch without degrading quality, then precisely sync the repaired track back to your original footage. The goal is not just to “speed it up,” but to restore it so voices sound natural and consistent across the entire clip with zero drift. You’ll receive a clean, high-quality WAV/AIFF file along with your original MP4 re-exported with perfectly synced audio, maintaining the exact video quality. Ready to fix the issue properly and deliver a version that plays back flawlessly on any device.

@Royalitservices

Hi there, You’re absolutely in the RIGHT PLACE. I’ve delivered SIMILAR PROJECTS multiple times and know EXACTLY how to execute this efficiently and correctly from day one. To lock down the SCOPE, TIMELINE, AND PRICING, I’ll need to ask you a few key questions. Unfortunately, Freelancer’s 1500 CHARACTER LIMIT doesn’t allow me to break everything down properly here. Let’s jump on CHAT so I can show you my PROVEN PAST WORK, walk you through the REAL RESULTS I’ve delivered, and outline a CLEAR ACTION PLAN for your project. You’ll immediately see why my approach is DIFFERENT and EFFECTIVE. If you’re serious about getting this done RIGHT, I’m ready to move forward. Looking forward to CONNECTING and WINNING TOGETHER. Cheers, Mayank Sahu

@alihamza3024

I can edit it with ease and as per your instructions. i have specialized softwares for editing mp4s and other video format.

@EssenSoftware

Hi there, Hope you are doing great,,======Immediate Start | Free Consultancy | Audio & Video Sync Specialist My Similar Works? Client: • CineVibe Media (India) I resolved a slow, distorted audio issue in a 7-minute promotional clip for CineVibe Media, caused by a sample-rate mismatch between the phone’s recording and export settings. Using Adobe Audition and FFmpeg, I analyzed the audio waveform, identified the incorrect sample rate, and resampled the track to match the video precisely. The corrected audio was exported in high-quality WAV, then muxed back into the MP4 without affecting visual resolution or FPS. The client now has perfectly synced, natural-sounding audio across all playback platforms. I can apply the same method to your clip to restore clear, correctly timed audio. Let’s schedule a meeting to review your file and workflow. Best regards,

@rkaushal12

I am a highly skilled music producer and distributor with a strong passion for creating high-quality sound. I specialize in professional audio and video mixing, ensuring every project sounds polished, balanced, and industry-ready. With experience in modern production techniques, I focus on delivering powerful, clear, and impactful music across different genres.

@jasonp275

Dear Client, How are you? I hope this proposal finds you well. I'M A CERTIFIED & EXPERIENCED EXPERT This is to inform you that I have KEENLY gone through your project description, CLEARLY understood all the project requirements as instructed in your project proposal and this is to let you know that I will perfectly deliver as desired. Being in possession of all stated required skills as this is my field of professional specialization having completed all certifications and developed adequate experience in the respective field, I hereby humbly request you to consider my bid for professional, quality and affordable services that meet all your requirements. I always guarantee timely delivery and unlimited revisions where necessary hence you are assured of utmost satisfaction when working with me. Please send me a message so that we can discuss more and seal the project. WELCOME.